symbols.c File Reference

🔍 Symbol resolution cache: llvm-symbolizer/addr2line wrapper with hashtable-backed caching More...

Go to the source code of this file.

Data Structures
struct	symbol_entry_t
	Symbol cache entry structure for address-to-symbol mapping. More...

Macros
#define	LLVM_SYMBOLIZER_BIN   "llvm-symbolizer"
#define	ADDR2LINE_BIN   "addr2line"
#define	NULL_SENTINEL   "[NULL]"

Enumerations
enum	symbolizer_type_t { SYMBOLIZER_NONE = 0 , SYMBOLIZER_LLVM = 1 , SYMBOLIZER_ADDR2LINE = 2 }

Functions
asciichat_error_t	symbol_cache_init (void)
	Initialize the symbol cache.
void	symbol_cache_cleanup (void)
	Clean up the symbol cache and free all resources.
const char *	symbol_cache_lookup (void *addr)
	Look up a symbol for a given address.
bool	symbol_cache_insert (void *addr, const char *symbol)
	Insert a symbol into the cache.
void	symbol_cache_get_stats (uint64_t *hits_out, uint64_t *misses_out, size_t *entries_out)
	Get cache statistics.
void	symbol_cache_print_stats (void)
	Print cache statistics to logging system.
char **	symbol_cache_resolve_batch (void *const *buffer, int size)
	Resolve multiple addresses using addr2line and cache results.
void	symbol_cache_free_symbols (char **symbols)
	Free symbol array returned by symbol_cache_resolve_batch.

Detailed Description

🔍 Symbol resolution cache: llvm-symbolizer/addr2line wrapper with hashtable-backed caching

Definition in file symbols.c.

Macro Definition Documentation

ADDR2LINE_BIN

#define ADDR2LINE_BIN   "addr2line"

Definition at line 15 of file symbols.c.

LLVM_SYMBOLIZER_BIN

#define LLVM_SYMBOLIZER_BIN   "llvm-symbolizer"

Definition at line 14 of file symbols.c.

NULL_SENTINEL

#define NULL_SENTINEL   "[NULL]"

Definition at line 43 of file symbols.c.

Enumeration Type Documentation

symbolizer_type_t

enum symbolizer_type_t

Enumerator
SYMBOLIZER_NONE
SYMBOLIZER_LLVM
SYMBOLIZER_ADDR2LINE

Definition at line 49 of file symbols.c.

             {
  SYMBOLIZER_NONE = 0,      // No symbolizer available, use raw addresses
  SYMBOLIZER_LLVM = 1,      // llvm-symbolizer (preferred on all platforms)
  SYMBOLIZER_ADDR2LINE = 2, // addr2line (fallback)
} symbolizer_type_t;